JPH0241521U - - Google Patents
Info
- Publication number
- JPH0241521U JPH0241521U JP11784388U JP11784388U JPH0241521U JP H0241521 U JPH0241521 U JP H0241521U JP 11784388 U JP11784388 U JP 11784388U JP 11784388 U JP11784388 U JP 11784388U JP H0241521 U JPH0241521 U JP H0241521U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- circuit
- diodes
- series
- bipolar transistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electronic Switches (AREA)
Description
第１図はこの考案の一実施例の回路図。第２図
は従来例の回路図。
Ｕ１０１……同相増幅器、Ｑ１……バイポーラ
トランジスタ、Ｄ１およびＤ２……ダイオード、
Ｒ１０１，Ｒ１０２およびＲ１０３……しきい値
幅を決定するための抵抗、Ｒ４およびＲ５……抵
抗。
FIG. 1 is a circuit diagram of an embodiment of this invention. FIG. 2 is a circuit diagram of a conventional example. U 101 ... common mode amplifier, Q 1 ... bipolar transistor, D 1 and D 2 ... diode,
R 101 , R 102 and R 103 ...Resistances for determining the threshold width, R 4 and R 5 ...Resistances.
Claims (1)
抵抗に選択的に並列に接続されて、第１の抵抗の
接続・非接続によりしきい値幅を変更するように
構成されたシユミツトトリガ回路からなるトリガ
信号発生回路において、 互に逆直列に接続され、かつ第１の抵抗に直列
接続された第１および第２のダイオードと、オン
・オフにともなつて第１および第２のダイオード
をオン・オフ状態に制御するバイポーラトランジ
スタと、を備えてバイポーラトランジスタのオン
・オフにより第１の抵抗の接続・非接続を制御す
るスイツチ回路を設けたことを特徴とするトリガ
信号発生回路。[Claims for Utility Model Registration] A first resistor is selectively connected in parallel to a second resistor connected to a feedback circuit, and the threshold width is changed by connecting/disconnecting the first resistor. In a trigger signal generation circuit consisting of a Schmitt trigger circuit configured as above, first and second diodes are connected in anti-series to each other and connected in series to a first resistor, and a A bipolar transistor that controls the first and second diodes to be turned on and off, and a switch circuit that controls connection and disconnection of the first resistor by turning on and off the bipolar transistor. Trigger signal generation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988117843U JPH0648990Y2 (en) | 1988-09-09 | 1988-09-09 | Trigger signal generation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988117843U JPH0648990Y2 (en) | 1988-09-09 | 1988-09-09 | Trigger signal generation circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0241521U true JPH0241521U (en) | 1990-03-22 |
| JPH0648990Y2 JPH0648990Y2 (en) | 1994-12-12 |
Family
ID=31361658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988117843U Expired - Lifetime JPH0648990Y2 (en) | 1988-09-09 | 1988-09-09 | Trigger signal generation circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0648990Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102488805B1 (en) * | 2021-09-09 | 2023-01-18 | 최명기 | Transfer unit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5277648U (en) * | 1975-12-06 | 1977-06-09 | ||
| JPS62177121U (en) * | 1986-04-28 | 1987-11-10 |
-
1988
- 1988-09-09 JP JP1988117843U patent/JPH0648990Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5277648U (en) * | 1975-12-06 | 1977-06-09 | ||
| JPS62177121U (en) * | 1986-04-28 | 1987-11-10 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102488805B1 (en) * | 2021-09-09 | 2023-01-18 | 최명기 | Transfer unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0648990Y2 (en) | 1994-12-12 |